Yancheng city is one of the most important cities for agricultural production in Jiangsu province, China, which has been becoming one of the agricultural processing and exporting basis.

• 盐城是江苏农业大市，也是我国重要的农产品生产和出口加工基地，保护农业环境，防治农业面源污染显得尤为重要和迫切。